LS3 6.2L Crate Engine Options And Part Numbers

The LS3 is known as a high-revving, deep-breathing crate engine, and it is available in a variety of configurations. Read all about the engine’s specs and find a list of part numbers for the currently available LS3s.

By the way, this post was written in 2017. We do our best to update links and info, but you may want to check this newer article about LS3 crate engine options as well.

The LS3 6.2L is the 430-hp standard engine in the Chevrolet Corvette and is an outstanding combination of high technology and uncompromising performance. Our LS3 crate engine comes complete, from the Corvette specific oil pan to the ignition system. It also includes the EFI intake manifold assembly with injectors and throttle body, exhaust manifolds, water pump, balancer, 58X reluctor wheel, and 14-inch automatic-transmission flexplate.

LS3 crate engine
Rated at 430 hp and 425 lb-ft of torque, the 6.2L LS3 is a popular engine (part number 19370416). Click to see our best price!

The LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a hefty reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. A high-lift, hydraulic roller camshaft complements the LS3’s tremendous airflow capability and enhances its broad torque curve. Out-of-the-crate , horsepower is 430, with an impressive 425 lb.-ft. torque.

No other manufacturer offers the range of factory-engineered crate engines you’ll find with Chevrolet Performance. Each is designed, validated, and built with the same quality and performance standards that go into GM production engines.

The LS Engines come in several different configurations –

  • LS3 – 19301326 (now #19370416) 6.2L Crate Motor 430 HP and 425lb torque
  • LS376/480 – 19301358 (now #19370411) 6.2L Crate Engine 495 HP and 473lb torque
  • LS376/525 – 19301360 (now #19370413) 6.2L Crate Engine 525 HP and 478lb torque
  • LSA – 19331507 (now # 19370850) 6.2L Crate Engine 556 HP and 551lb torque
  • LS7- 19244098 (now #19329246) 7.0L Crate Motor 505HP and 470lb torque
  • LS9 – 19260165 6.2L Supercharged Crate Motor 638 HP and 604lb torque

Of course, if you have questions about which LS3 is best, contact us!

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